Compare 451 vs 489
| Property | 451 | 489 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 111 × 411 | 31 × 1631 |
| Prime factorization | 11 × 41 | 3 × 163 |
| Divisors count | 4 | 4 |
| Divisors | 1, 11, 41, 451 | 1, 3, 163, 489 |
| Number of properties | 1 | 1 |
| Semiprimes | 139th | 151st |
| Roman numberals | CDLI | CDLXXXIX |
| Base 2 | 1110000112 | 1111010012 |
| Base 3 | 1212013 | 2000103 |
| Base 4 | 130034 | 132214 |
| Base 5 | 33015 | 34245 |
| Base 6 | 20316 | 21336 |
| Base 7 | 12137 | 12667 |
| Base 8 | 7038 | 7518 |
| Base 9 | 5519 | 6039 |
| Base 10 | 45110 | 48910 |
| Base 11 | 38011 | 40511 |
| Base 12 | 31712 | 34912 |
| Base 13 | 28913 | 2b813 |
| Base 14 | 24314 | 26d14 |
| Base 15 | 20115 | 22915 |
| Base 16 | 1c316 | 1e916 |